Underground conduit



FIG. 1 is a perspective view of an underground conduit showing our new design, the center thereof shown broken-away to indicate indeterminate length;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an underground conduit, as shown and described. 